Re: Stellar parenting: Making new stars by 'adopting' stray cosmic gases

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From	moroney@world.std.spaamtrap.com (Michael Moroney)
Newsgroups	sci.physics
Subject	Re: Stellar parenting: Making new stars by 'adopting' stray cosmic gases
Date	Thu, 28 Jan 2016 19:16:23 +0000 (UTC)
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john <johnsefton288@gmail.com> writes:

>And here we were told that stars are
>eaten by black holes and nothing ever
>comes out. I wonder where those jets
>of high-energy particles end up?
>Maybe they go to where new stars
>are forming?

The jets are created by the accretion disks, which are outside the black
hole.  Since the matter was never "inside" the black hole, it is not
a contradiction that they come "from" a black hole (not quite).
Where do the jets end up? Depends on where they happen to be aimed.  Maybe
into interstellar space and nothing happens.  If they happened to be
directed at a gas cloud, maybe they will trigger star formation in the
cloud.  Lots of things seem to trigger star formation in gas clouds.
Supernovae, motion of other stars, compression (as when a cloud moves
into a galactic arm), black hole jets striking the cloud, etc.

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Stellar parenting: Making new stars by 'adopting' stray cosmic gases Sam Wormley <swormley1@gmail.com> - 2016-01-27 21:28 -0600
  Re: Stellar parenting: Making new stars by 'adopting' stray cosmic gases jimp@specsol.spam.sux.com - 2016-01-28 03:55 +0000
  Stellar parenting: Making new stars by 'adopting' stray cosmic gases john <johnsefton288@gmail.com> - 2016-01-28 08:45 -0800
    Re: Stellar parenting: Making new stars by 'adopting' stray cosmic gases Odd Bodkin <bodkinodd@gmail.com> - 2016-01-28 11:27 -0600
    Stellar parenting: Making new stars by 'adopting' stray cosmic gases HVAC <mr.hvac@gmail.com> - 2016-01-28 09:55 -0800
      Re: Stellar parenting: Making new stars by 'adopting' stray cosmic gases benj <none@gmail.com> - 2016-01-28 17:12 -0500
        Re: Stellar parenting: Making new stars by 'adopting' stray cosmic gases Odd Bodkin <bodkinodd@gmail.com> - 2016-01-28 16:31 -0600
    Re: Stellar parenting: Making new stars by 'adopting' stray cosmic gases moroney@world.std.spaamtrap.com (Michael Moroney) - 2016-01-28 19:16 +0000

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